Sentences with phrase «current global extinction»

Not exact matches

This could be occasion to paint a bleak picture: The current rate of global diversity loss is estimated to be a 1000 times higher than the extinction that would occur naturally.
«Until around 100,000 years ago, a dispassionate observer would have no basis for predicting either the extinction of rival human species or Homo sapiens» current global ecological dominion,» Shea says.
Researchers writing in the current issue of Nature report having discovered a strong correlation between extinction of harlequin frogs, which live in Central and South America, and global warming.
Climate Change: The Last Great Global Warming (p 56) The levels of carbon dioxide release and current speed of warming across the globe could lead to extinctions on a scale worse than previously thought, an article in this month's Scientific American suggests.
If we remain on the current course near term total global extinction is not just a possibility but a mathematical certainty.
What is more, past global warming has included both minor and mass extinction events (e.g. PETM, Permian - Triassic extinction) so even if current warming is in line with what's repeatedly been experienced in the past, it doesn't follow that either the process of warming or the end result are desireable from the perspective of maintaining an advanced, affluent, complex human society based on creating reliable surpluses of food for 7.5 + billion people.
Geologist Dr. David Deming: «If the current cooling trend continues, the theory of global warming faces imminent extinction» — Deming: «The mean global temperature has not risen in 17 years and has been slowly falling for approximately the past 10 years» — «Falling temperatures are giving climate alarmists chills»
Try as I might, I can not in my wildest fantasise persuade myself that a Global Average Temperature of (say) 289.1 K (if such a thing even truly exists) represents our current Paradise and that any move to (say) 290.7 K will lead us to death destruction and extinction.
While only a few recent species extinctions have been attributed to climate change, natural global climate change at rates slower than current anthropogenic climate change caused significant ecosystem shifts and species extinctions in the past millions of years.
Peter Ward on the consequences of this development: «When [the global ocean current conveyor belt] stops, we lose oxygen at the bottom, and we start the process toward mass extinction
a b c d e f g h i j k l m n o p q r s t u v w x y z